This is a novelty.
9... c8e6  10. c4e6  10... f7e6  11. e1g1  11... e8g8 Once the f-file has been opened, Black's play becomes pretty straightforward. Bring the queen to g6, maneuver the knight to f4, double the rooks along the f-file, and mate the opponent. If this is not enough, start pushing the pawns.